rps

def winner(first, second)
  if (first[1].downcase == "p" && second[1].downcase == "r") ||
     (first[1].downcase == "r" && second[1].downcase == "s") ||
     (first[1].downcase == "s" && second[1].downcase == "p")
    return first
  elsif (second[1].downcase == "p" && first[1].downcase == "r") ||
        (second[1].downcase == "r" && first[1].downcase == "s") ||
        (second[1].downcase == "s" && first[1].downcase == "p")
    return second
  elsif (first[1].downcase == "p" && second[1].downcase == "p") ||
        (first[1].downcase == "r" && second[1].downcase == "r") ||
        (first[1].downcase == "s" && second[1].downcase == "s")
    return first
  else
    return false
end